Open Source PHP Web Development Frameworks

Arasphp is a simple and flexible web development framework for non-gigantic sites. Following the MVC pattern, provides a lot of features: URL mapper, fully-featured models, search engine, paginator and static content controller, relationships and more.

Bedrock is a web framework designed around bridging popular APIs and technologies with PHP. While it has an MVC core with all the functionality expected from a web framework, it's primary goal is to simplify the use of other technologies with PHP.

The BlazeFramework is a Java like Framework which provides a nice API for developers. It offers developers a real OOP feeling in PHP like in Java. It's an event-based MVC web framework which uses XML for view definitions and the navigationsystem.

CTLF is a lightweight PHP web-application framework providing simple object loading mechanism and modular application structure. It lets you easily load predefined objects in any place of your code. It also allows grouping these objects into modules.

Includes user defined libraries, plugins, and helpers for the open source PHP web framework CodeIgniter.

D-Parts es un framework para Aplicaciones Web, netamente en lenguaje PHP, con acceso a bases de datos MySQL.

FLAKE is a toolkit for PHP web application development. It provides objects for abstracting interface element definitions, rendering, and behaviour. Use of these objects should result in faster development and maintenance, easier code reuse, and the abil

A PHP web application framework centered around a page/control/rpc server model with a framework for modules and permissions. Support for OpenID/Facebook Connect included. All data is persisted in a JSON object store, so no SQL server is required.

Kiyo : An Open Source Web Application Framework for PHP language. Based on MVC and supports Pure php. Key features are Modules, Themes, Email Library, Form Validations, Captcha, Authentication, Pagination, Multiple Languages, Log, Plugins and more..

OZONE is a complete and powerfull object-oriented MVC framework for developing advanced web applications in PHP5.

OpenSWAF is an open source Simple Web Application Framework.

Orbit e-Office is a web framework to create a virtual office. New functionality can be added by creating modules.

This is a basic PHP framework to get an idea of how an MVC design pattern should be implemented. My idea is that it can be a basis to start a PHP application of any kind.

The Pith PHP Framework is a web application framework written in PHP 5. Features planned for 1.0 are listed in the Readme; the current version of the Pith Framework is 0.5.7.2 (alpha release 22) The goal of the Pith Framework is to combine a simple to use (pithy) framework with an admin control panel. The Pith Framework puts everything it does into an easy to use variable named $pith. (Currently there are a couple other vars in the global namespace but they'll be gone in a few versions from now) Other objects can be loaded onto the $pith object, ex: $pith->filter, $pith->email, $pith->db

Quinoa Framework is web application framework written in PHP that follows the MVC architectural pattern. Quinoa is an open source project released under the new BSD License.

smewebapp intends to simplify the construction of web applications for informatization of the work of SME-s (small and medium enterprises), institutions, organizations etc.

Sourdough is a comprehensive web application framework for PHP5. It provides developers with components such as User Management, Session Handling, User Authentication, Exception Handling and Logging, Template System, and Database Abstraction.

The Today Web Framework, or "Today", is a toolkit for building web sites and for managing the content of those sites. It is similar to PHPNuke or Slashcode in terms of what it does, but is written from scratch to meetdifferent needs.

UNIWAF is universal web application framework written in PHP. Code is very lightweight and requires almost no setup to start running new website or web application.

Web framework based on the WebComponent class (SF.net) that manages users, roles and actions (permissions). It uses design patterns like DAO and Factory. Under an accurate set of conventions, it can be extended to a flexible and robust web application.

Webslide is a PHP web application framework designed for simplicity and speed.

An Open Source Web Application Framework and CMS based on an Object Database, which can host multiple websites on a single installation, with easy setup, integrated caching and a "model/view/controller" templating system separating code from layout.

Base on Wii(Yii1.x) web framework.

Another lightweight PHP web-app framework with simplicity, power and speed in mind.

Straus - Free Open-Source Php Web Framework